Filter



FIG. 1 is a top front perspective view of a filter, according to a first embodiment, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross-sectional view thereof taken across line 3-3 of FIG. 2;

FIG. 4 is an enlarged portion of the cross-sectional view of FIG. 3;

FIG. 5 is a top front perspective view of a filter, according to a second embodiment, showing our new design;

FIG. 6 is a top plan view thereof;

FIG. 7 is a cross-sectional view thereof taken across line 7-7 of FIG. 6;

FIG. 8 is an enlarged portion of the cross-sectional view of FIG. 7;

FIG. 9 is a top front perspective view of a filter, according to a third embodiment, showing our new design;

FIG. 10 is a top plan view thereof;

FIG. 11 is a cross-sectional view thereof taken across line 11-11 of FIG. 10;

FIG. 12 is an enlarged portion of the cross-sectional view of FIG. 11;

FIG. 13 is a top front perspective view of a filter, according to a fourth embodiment, showing our new design;

FIG. 14 is a top plan view thereof;

FIG. 15 is a cross-sectional view thereof taken across line 15-15 of FIG. 14;

FIG. 16 is an enlarged portion of the cross-sectional view of FIG. 15;

FIG. 17 is a top front perspective view of a filter, according to a fifth embodiment, showing our new design;

FIG. 18 is a top plan view thereof;

FIG. 19 is a cross-sectional view thereof taken across line 19-19 of FIG. 18;

FIG. 20 is an enlarged portion of the cross-sectional view of FIG. 19;

FIG. 21 is a top front perspective view of a filter, according to a sixth embodiment, showing our new design;

FIG. 22 is a top plan view thereof;

FIG. 23 is a cross-sectional view thereof taken across line 23-23 of FIG. 22; and,

FIG. 24 is an enlarged portion of the cross-sectional view of FIG. 23.

The portions illustrated in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a filter, as shown and described. 